Question about Sony Ericsson K850i Mobile Phone
When i insert my sim in the phone it keep on asking for a USIM
Are you trying to put a 2g simcard into a 3g phone? this seems like your troubles here... you may need to obtain a 3g simcard that is compatible and transfer your mobile number to the new sim
Posted on Dec 07, 2008
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Posted on Jan 02, 2017
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